20451630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21991}}^1$

素因数の和:22032

約数の個数: 32

約数和(自身を含む): 50669568

約数和(自身を除く): 30217938

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 21991, 43982, 65973, 109955, 131946, 219910, 329865, 659730, 681721, 1363442, 2045163, 3408605, 4090326, 6817210, 10225815, 20451630]

約数ペア:

[(1, 20451630), (2, 10225815), (3, 6817210), (5, 4090326), (6, 3408605), (10, 2045163), (15, 1363442), (30, 681721), (31, 659730), (62, 329865), (93, 219910), (155, 131946), (186, 109955), (310, 65973), (465, 43982), (930, 21991)]